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We know that a half is 1/2 as a fraction, but we can multiply the numerator and denominator by 9 and 1/2 is 9/18. The least number of ninths we can add is 1.

So we add 1/9 + 9/18 which is 2/18+9/18 or 11/18.

We can write this as (11/2)/9 or 5.5/9 which is 5.5 ninths.

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14y ago

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